[R] Simple numeric "as.is" question
Uwe Ligges
ligges at statistik.uni-dortmund.de
Mon Mar 15 17:10:37 CET 2004
Janet Gannon wrote:
> I am reading a list of numbers from my clipboard, and have been
> successful, except I can't make a histogram as R doesn't recognize my
> variable as numeric. I know I need to use "as.is", but the specifics
> escape me.
> I have used x<-read.table("clipboard", header=F) to import from a txt
> file. How do make this numeric? Thanks, J.
So the elements of your data frame "x" are not numeric? read.table()
auto-detects which variables are numeric or not, so there's something
strange with your textfile, I guess.
as.numeric(x$V1)
converts the first element in your data.frame x to numeric.
Uwe Ligges
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